Zenosincks, just because he did it doesn't mean you have to! Plus his weren't lIkE ThIs, his was likE THIS! His was much more readable.
Yes, you should go plug the card up, boot into bios, disable onboard, and if it is an option switch it to AGP, and boot. It should then start using the default VGA drivers for Windows, and you can install the new drivers from their.